Is the Creative Cloud application updated to the latest version?
Yes, it is.
Creative cloud 18.104.22.1688
Are you running a trial? Old versions only available if you subscribe.
Adobe only offeres the current and ONE older version
If you have an old operating system and can't run the current version check the link below... and if this is the case and you do find a download for your old operating system be sure to copy the download to at least one external device in case Adobe completely removes the download
Direct Download Links https://prodesigntools.com/tag/ddl
Pre-2019 versions are no longer available.